feat(pl): map photo_urls on vehicle and personnel models

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/models/pl_models.py

@@ -69,6 +69,7 @@ class PlVehicle(Base):
     default_driver_name = Column(String(100), nullable=True, comment="默认司机姓名（冗余）")
     load_capacity = Column(DECIMAL(10, 2), nullable=True, comment="载重（吨）")
     vehicle_status = Column(String(20), nullable=False, default="available", comment="车辆状态 available-可用 maintaining-维修中 scrapped-报废")
+    photo_urls = Column(String(2000), nullable=True, comment="车辆照片URL，逗号分隔（默认1张）")
     tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
     order_num = Column(Integer, nullable=True, comment="排序号")
     remark = Column(String(512), nullable=True, comment="备注")
@@ -103,6 +104,7 @@ class PlPersonnel(Base):
         comment="人员归属 self-山峡 carrier-非山峡",
     )
     status = Column(CHAR(1), nullable=False, default="1", comment="状态 1-在职 0-停用")
+    photo_urls = Column(String(2000), nullable=True, comment="人员照片URL，逗号分隔（默认1张）")
     tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
     order_num = Column(Integer, nullable=True, comment="排序号")
     remark = Column(String(512), nullable=True, comment="备注")